Unit 2 Vocabulary Practice

What is an electron?

• A subatomic particle with a neutral electric charge.

• A subatomic particle with no electric charge.

• A subatomic particle with a negative electric charge.

• A subatomic particle with a positive electric charge.

Tags

NGSS.MS-PS2-3

What does a conductor do?

• Prevents electric charges from flowing.

• Allows electric charges to flow easily.

• Stores electric charges.

• Converts electric charges into light.

What is static electricity?

• Electric charge that is used in circuits.

• Electric charge that is used in batteries.

• Electric charge that accumulates on the surface of objects.

• Electric charge that flows continuously.

What is the function of a galvanometer?

• To convert electric energy into mechanical energy.

• To measure temperature.

• To detect and measure electric current.

• To store electric charge.

What is the role of a transformer?

• To measure electric current.

• To store electrical energy.

• To convert mechanical energy into electrical energy.

• To change the voltage of an alternating current.

What is an electric field?

• A region where electric charges are neutralized.

• A region where electric charges are stored.

• A region where magnetic forces can be detected.

• A region around a charged object where other charged objects experience a force.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is the primary function of an electric motor?

• To convert electrical energy into mechanical energy.

• To measure electric current.

• To convert mechanical energy into electrical energy.

• To store electrical energy.

What is a solenoid?

• A coil of wire that produces a magnetic field when an electric current passes through it.

• A device that changes the voltage of an alternating current.

• A device that stores electric charge.

• A device that measures electric current.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the definition of magnetism?

• The force exerted by static electricity.

• The force exerted by gravitational fields.

• The force exerted by magnets when they attract or repel each other.

• The force exerted by electric fields.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is electromagnetic induction?

• The process of storing electric charge.

• The process of converting electric energy into mechanical energy.

• The process of generating electric current from a changing magnetic field.

• The process of measuring electric current.

Tags

NGSS.HS-PS2-5